>> mike brooks, thank you so much for being with us this morning. the investigation into this or horrific scene, this awful tragedy, it does continue. meanwhile, she is being remembered as caring, someone who loved her students, more on the principal who lost her life in this tragic connecticut school shooting. but first, while investigators families and the nation try to make sense of this entire situation, we will be talking about the victims, the victims of this tragedy, who they are, and we'll piece together some moments of their lives. we'll be right back. >> this is a very, very tragic, tragic scene for everybody. certainly our hearts are broken for the families here. >> well, you know, about 9:30, 9:40, we heard noises, and the announcement system was still on, so it didn't go off.